SKF NN 3009 KTN/SP Tapered 1:12 45 mm ID Roller Bearing, 75 mm OD

RS Stock No.:: 233-7210
Mfr. Part No.:: NN 3009 KTN/SP
Manufacturer:: SKF

SKF NN 3009 KTN/SP Tapered 1:12 45 mm ID Roller Bearing, 75 mm OD

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RS Stock No.:: 233-7210
Mfr. Part No.:: NN 3009 KTN/SP
Manufacturer:: SKF

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	SKF
	Product Type	Roller Bearing
	Inside Diameter	45mm
	Race Width	23mm
	Bore Type	Tapered 1:12
	Cage Material	Non-Metallic
	Roller Material	Steel
	Bearing Material	Steel
	Internal Clearance	C1
	Number of Rows	2
	Maximum Speed - Grease	12000rpm
	Maximum Speed - Oil	14000rpm
	Series	NN 30
	Standards/Approvals	No
	Dynamic Load Rating	50.1kN
	Outside Diameter	75mm
	Static Load Rating	65.5kN
	Race Type	Flanged

	Select all
	Brand SKF
	Product Type Roller Bearing
	Inside Diameter 45mm
	Race Width 23mm
	Bore Type Tapered 1:12
	Cage Material Non-Metallic
	Roller Material Steel
	Bearing Material Steel
	Internal Clearance C1
	Number of Rows 2
	Maximum Speed - Grease 12000rpm
	Maximum Speed - Oil 14000rpm
	Series NN 30
	Standards/Approvals No
	Dynamic Load Rating 50.1kN
	Outside Diameter 75mm
	Static Load Rating 65.5kN
	Race Type Flanged

Datasheet - NN 3009 KTN/SP

COO (Country of Origin):: IT

SKF NN 30 Series Roller Bearing, 45mm Inside Diameter, 75mm Outside Diameter - NN 3009 KTN/SP

This roller bearing is a tapered double-row component designed to carry combined loads in rotating assemblies, offering controlled internal clearance and a flanged outer race for axial location. It is intended for installations requiring a tapered bore and operates with either lubricant or grease at elevated rotational speeds.

Features and Benefits:

• C1 internal clearance reduces endplay for preload control
• Non-metallic cage lowers noise and reduces frictional losses
• Steel rollers provide high contact strength under load
• Flanged race assists in axial positioning during assembly
• 50.1 kN dynamic load rating supports sustained operational forces
• 65.5 kN static load rating resists heavy stationary loads

Applications

• Suitable for gearboxes requiring tapered bore mounting
• Ideal for wheelset or axle-end assemblies with axial loads
• Used with high-speed spindles operating on oil lubrication
• Can be used for shaft arrangements needing flange location
• Suitable for industrial rollers subjected to heavy static load

What bore contraction method does it require for mounting?

The inner bore is tapered at 1:12 and requires a matching taper sleeve or tapered shaft seating for correct fitting.

Which lubrication regime permits the highest rotational speed?

Operating with oil lubrication allows up to 14,000 r/min while grease-lubricated operation is limited to 12,000 r/min.

How does the bearing cope with stationary high loads?

Its static load capacity of 65.5 kN provides resistance to deformation under heavy non-rotating loads.

What cage and rolling-element materials affect thermal and wear behaviour?

The cage is non-metallic which reduces seizure risk at contact points and the rollers are steel to maintain rolling contact durability.

How does the outer geometry assist assembly alignment?

The outer ring incorporates a flange on the race to provide a positive axial locating face during installation.